1 files changed, 6 insertions, 3 deletions
diff --git a/lib/prefix.js b/lib/prefix.js
index 58b2af3a7..42f61103f 100644
--- a/lib/prefix.js
+++ b/lib/prefix.js
@@ -1,11 +1,14 @@
 module.exports = prefix
 
-var npm = require("./npm.js")
+var npm = require('./npm.js')
 
-prefix.usage = "npm prefix [-g]"
+prefix.usage = 'npm prefix [-g]'
 
 function prefix (args, silent, cb) {
-  if (typeof cb !== "function") cb = silent, silent = false
+  if (typeof cb !== 'function') {
+    cb = silent
+    silent = false
+  }
   if (!silent) console.log(npm.prefix)
   process.nextTick(cb.bind(this, null, npm.prefix))
 }